import { PreferredClickhouseService } from "../clickhouse/client";
import { NodeClickHouseClientConfigOptions } from "@clickhouse/client/dist/config";
import { ClickHouseSettings } from "@clickhouse/client";
/**
 * Custom error class for ClickHouse resource-related errors
 */
declare const ERROR_TYPE_CONFIG: Record<"MEMORY_LIMIT" | "OVERCOMMIT" | "TIMEOUT", {
    discriminators: string[];
}>;
type ErrorType = keyof typeof ERROR_TYPE_CONFIG;
export declare class ClickHouseResourceError extends Error {
    static ERROR_ADVICE_MESSAGE: string;
    readonly errorType: ErrorType;
    constructor(errType: ErrorType, originalError: Error);
    static wrapIfResourceError(originalError: Error): Error;
}
export declare function upsertClickhouse<T extends Record<string, unknown>>(opts: {
    table: "scores" | "traces" | "observations" | "traces_null";
    records: T[];
    eventBodyMapper: (body: T) => Record<string, unknown>;
    tags?: Record<string, string>;
}): Promise<void>;
export declare function queryClickhouseStream<T>(opts: {
    query: string;
    params?: Record<string, unknown> | undefined;
    clickhouseConfigs?: NodeClickHouseClientConfigOptions;
    tags?: Record<string, string>;
    preferredClickhouseService?: PreferredClickhouseService;
    clickhouseSettings?: ClickHouseSettings;
}): AsyncGenerator<T>;
export declare function queryClickhouse<T>(opts: {
    query: string;
    params?: Record<string, unknown> | undefined;
    clickhouseConfigs?: NodeClickHouseClientConfigOptions;
    tags?: Record<string, string>;
    preferredClickhouseService?: PreferredClickhouseService;
    clickhouseSettings?: ClickHouseSettings;
}): Promise<T[]>;
export declare function commandClickhouse(opts: {
    query: string;
    params?: Record<string, unknown> | undefined;
    clickhouseConfigs?: NodeClickHouseClientConfigOptions;
    tags?: Record<string, string>;
}): Promise<void>;
export declare function parseClickhouseUTCDateTimeFormat(dateStr: string): Date;
export declare function clickhouseCompliantRandomCharacters(): string;
export {};
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